Wood cross-tie end plating machine

Details Wood cross-tie end plating machine Wood cross-tie end plating machine

1984-12-24

1987-04-14

Goldberg, Howard N.

Elongated-member-driving apparatus

With means to support member and/or work relative to driver

Work immobilizer

227151, 227153, 227154, 100232, 269156, A43D 7100, B30B 900, B30B 930

Patent

active

046571680

ABSTRACT:
An end plating machine comprising a frame having an in-feed portion at one side thereof and an out-feed portion at the other side thereof. A stationary platen is provided at opposite ends of the frame below the in-feed and out-feed portions adapted to support the ends of a cross-tie delivered thereto. A conveyor delivers the cross-ties to the in-feed portion whereupon a tie transporter assembly moves the tie from the in-feed portion and delivers the tie to a tie elevator assembly which lowers the tie onto the stationary platens. A robotic claw assembly is provided above the stationary platen for squeezing the ends of the tie to close cracks therein. Each of the robotic claws are operated by a single hydraulic cylinder. When the ends of the tie are squeezed together by the robotic claws, a hydraulic ram at opposite ends of the tie drives nail plates into the ends of the tie. After the plates have been driven into the tie, the robotic claws disengage from the tie and the tie is raised upwardly from the stationary platens to the out-feed portion. The cycle is then repeated.

REFERENCES:
patent: 142517 (1873-09-01), Scherer
patent: 1960501 (1934-05-01), Maull
patent: 2364150 (1944-12-01), Lowenstein
patent: 4365734 (1982-12-01), Harris
patent: 4494685 (1985-01-01), Matlock
patent: 4504006 (1985-03-01), Lollar, Sr.
patent: 4513900 (1985-04-01), Matlock

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